Home / 2,447.12-3,670.76-1,059.49

Finding the Fourth Proportional to 2,447.12, 3,670.76 and 1,059.49

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Solution

The fourth proportional to 2,447.12, 3,670.76 and 1,059.49 is: 1,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.12 : 3,670.76 = 1,059.49 : x
  2. Step 2: Convert to fraction form
    2,447.12/3,670.76 = 1,059.49/x
  3. Step 3: Cross multiply
    2,447.12x = 3,670.76 × 1,059.49
  4. Step 4: Simplify right side
    2,447.12x = 3,889,133.51
  5. Step 5: Solve for x
    x = 3,889,133.51/2,447.12
  6. Step 6: Final answer
    x = 1,589.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.